Steel Omega Seamaster 300M GMT. 2534.50.00. Automatic GMT movement with 24 hour GMT hand, chronometer. calibre Omega 1128. Power reserve 44 hours. 41.5mm case diameter. Black unidirectional rotating bezel. Water resistant to 300 meters. Black dial with luminous index hour markers. Steel bracelet with folding clasp. Box and service papers dated April 2016. Our reference S20091.